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MSN 622 Health and Physical Assessment: Exam 2 Guide- Thorax & Lungs (2025) Actual Exam Questions and Answers A+ Graded

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MSN 622 Health and Physical Assessment: Exam 2 Guide- Thorax & Lungs (2025) Actual Exam Questions and Answers A+ Graded

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MSN 622 Health and Physical Assessment: Exam 2
Guide- Thorax & Lungs (2025) Actual Exam
Questions and Answers A+ Graded



• Anatomy .of .chest .and .lungs




2 .parts .-

Upper .Respiratory .System
o Upper .airway
o Nose, .mouth, .sinuses, .pharynx, .and .larynx

Lower .Respiratory .System
o Trachea, .bronchial .tubes, .and .lungs
o Trachea .divides .into .2 .bronchi .(R .bronchi .is .shorter, .wider, .and .more .vertical)
o Bronchi .divides .into .bronchioles
o Bronchioles .branch .the .lungs
o Alveoli .sacs .at .the .end .of .respiratory .tree .(exchange .of .oxygen .and .carbon .dioxide
.takes .place)
*Alveoli .are .more .important .in .pediatric .population*

Diaphragm .is .the .respiratory .muscle .– .contracts .with .inspiration, .relaxes .with .expiration

Four .major .functions
o Supply .oxygen .to .the .body
o Remove .carbon .dioxide
o Maintain .homeostasis .(acid-base .balance) .of .arterial .blood
o Maintain .heat .exchange .(less .important .in .humans)

, Lungs .help .maintain .the .pH .balance .by .adjusting .the .level .of .carbon .dioxide .through .respiration.

o Hypoventilation .(slow, .shallow .breathing) .causes .carbon .dioxide .to .build .up .in .the .blood
o Hyperventilation .(rapid, .deep .breathing) .causes .carbon .dioxide .to .be .blown .out

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